Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

iOS Build a Simple iPhone App with Swift 2.0 Getting Started with iOS Development Swift Recap Part 1

Richard Parkins IV
Richard Parkins IV
1,970 Points

Not sure why this isn't accepted.I have description() taking no values outputting ->String & I used string interpolation

? not sure whats wrong with this.......

struct Tag {
    let name: String

struct Post {
    let title: String
    let author: String
    let tag: Tag

    func description() -> String {
        return "\(title) by \(author). filed under \(tag)"


let firstPost = Post(title: "iOSDevelopment", author: "Apple", tag: Tag(name: "swift"))

let postDescription = firstPost.description()

2 Answers

Jennifer Nordell
Jennifer Nordell
Treehouse Teacher

It's all just fine except that the tag you're interpolating should be tag.name. Take a look at the string to be returned.

return "\(title) by \(author). filed under \(tag.name)"